The Windows Hardware Lab Kit (HLK) for Windows 10 is an all-purpose test and measurement kit to help you determine how well your hardware interacts with Windows. The HLK provides a test infrastructure for PCs.

Windows 10 Language Packs are additional language options available through Windows Update. Language packs allow users to change the interface to a language of their choice. This download allows organizations to pre-configure Windows 10 installation software with these language packs prior to deployment. This download can also be used to install language packs from local media.